ResourceGroupMetricsCompareUIBean.java

/*
 * RHQ Management Platform
 * Copyright (C) 2005-2008 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package org.rhq.enterprise.gui.measurement.tables.group;

import javax.faces.application.FacesMessage;

import org.rhq.core.gui.util.FacesContextUtility;

/**
 * @author jshaughnessy
 */
public class ResourceGroupMetricsCompareUIBean {

    public static final String MANAGED_BEAN_NAME = "ResourceGroupMetricsCompareUIBean";

    public String compareSelected() {
        String[] selectedResources = FacesContextUtility.getRequest().getParameterValues("selectedResources");

        if ((selectedResources == null) || (selectedResources.length < 2)) {
            FacesContextUtility.addMessage(FacesMessage.SEVERITY_WARN, "Select 2 or more resources for comparison");
        }

        return "compareResourceGroupMetrics";
    }

    public String getSelected() {
        String[] selectedResources = FacesContextUtility.getRequest().getParameterValues("selectedResources");

        StringBuilder sb = new StringBuilder();
        for (String resourceIdString : selectedResources) {
            sb.append("&r=");
            sb.append(resourceIdString);
        }

        return sb.toString();
    }

}